<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script text="text/javascript" src="cal.js"></script>
</head>
<link rel="stylesheet" href="cal.css">

<body>
    <div class="cal">
        <!-- 显示start -->
        <input type="text" class="numInput" id="numInput_2"><br>
        <input type="text" class="numInput" id="numInput_1"><br>
        <!-- 显示end -->
        <!-- 按钮start -->
        <input type="button" value="mc" onclick="OnClick(value)" class="m-css">
        <input type="button" value="m+" onclick="OnClick(value)" class="m-css">
        <input type="button" value="m-" onclick="OnClick(value)" class="m-css">
        <input type="button" value="mr" onclick="OnClick(value)" class="m-css">
        <br>
        <input type="button" value="AC" onclick="OnClick(value)" class="symbol_1">
        <input type="button" value="⬅" onclick="OnClick(value)" class="symbol_1">
        <input type="button" value="+/-" onclick="OnClick(value)" class="symbol_1">
        <input type="button" value="/" onclick="OnClick(value)" class="symbol_2">
        <br>
        <input type="button" value="7" onclick="OnClick(value)" class="number">
        <input type="button" value="8" onclick="OnClick(value)" class="number">
        <input type="button" value="9" onclick="OnClick(value)" class="number">
        <input type="button" value="*" onclick="OnClick(value)" class="symbol_2">
        <br>
        <input type="button" value="4" onclick="OnClick(value)" class="number">
        <input type="button" value="5" onclick="OnClick(value)" class="number">
        <input type="button" value="6" onclick="OnClick(value)" class="number">
        <input type="button" value="-" onclick="OnClick(value)" class="symbol_2">
        <br>
        <input type="button" value="1" onclick="OnClick(value)" class="number">
        <input type="button" value="2" onclick="OnClick(value)" class="number">
        <input type="button" value="3" onclick="OnClick(value)" class="number">
        <input type="button" value="+" onclick="OnClick(value)" class="symbol_2">
        <br>
        <input type="button" value="%" onclick="OnClick(value)" class="number">
        <input type="button" value="0" onclick="OnClick(value)" class="number">
        <input type="button" value="." onclick="OnClick(value)" class="number">
        <input type="button" value="=" onclick="OnClick(value)" class="equal">

        <!-- 按钮end -->
    </div>
</body>

</html>